Cutting propagation method of Artocarpus nanchuanensis

A cutting propagation, pineapple technology, applied in application, cultivation, agriculture, etc., can solve problems such as few mother trees, difficult seed sources, and no reports of cutting survival.

Inactive Publication Date: 2014-01-15
CHONGQING HUAYU GARDEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, Nanchuan wood pineapple is mostly propagated by seeding, but the seedling rate of seeding propagation is low and unstable, the population is small, and the number of mother trees suitable for seed collection is less, and the distribution is scattered. It is difficult to collect seeds, so the source of seeds is difficult.
Although some people have done cutting propagation experiments, but the cuttings only induce callus, there is no report of survival of the cuttings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1. Concentration selection of root-promoting drugs

[0015] On September 26, 2010, the experiment was carried out with three self-made rooting drugs (ie rooting powder) at three concentrations (500PPm, 1000PPm, and 1500PPm), and a control without rooting drugs. Each concentration and control each had 30 cuttings. Using the same management and protection measures, in the investigation on June 8, 2011, only 5 plants survived. Among them, 1 plant survived at 1000PPm, with a survival rate of about 3%; 4 plants survived at 1500PPm, with a survival rate of about 13%; neither 500PPm nor the control group survived rooting. Experiments and experience show that the concentration of 1500PPm is the best recommended concentration.

Embodiment 2

[0016] Example 2. The effect of different cutting time on the survival rate of cutting seedlings

[0017] The concentration of root-promoting drugs used in the experiment was 1500 PPm.

[0018] On April 26, 2011, I used last year's cuttings (the branches of the year did not grow) and 110 cuttings. After a period of time, the cutting leaves gradually became yellow and fell off, and none of them survived.

[0019] On May 31 and June 20, 20 cuttings were used for each of the current year's cuttings. The investigation until September 30 showed that 4 cuttings survived in May, with a survival rate of 20%; in June, 5 cuttings survived, with a survival rate of 25%.

[0020] On May 25 and June 25, 2012, 50 cuttings were used for each of the current year’s cuttings. The investigation until September 17 showed that the survival rate of 23 cuttings in May was 46%; the survival rate of 27 cuttings in June was 54%. .

[0021] The cutting test results in the past three years showed that: cuttings in...

Embodiment 3

[0022] Example 3. Selection of transplanting time of cutting seedlings after cuttings survived

[0023] On October 8, 2012, the two batches of cuttings from May and June of this year were transplanted into 18 cm nutrient pots. On December 11, a total of 49 plants were investigated for survival of the two batches, and the average survival rate was 98. %. Among them, 23 seedlings were transplanted in May, 22 were transplanted, and the transplanting survival rate was nearly 96%; when transplanting, 27 were cutted and 27 were transplanted, and the transplanting survival rate was 100%.

[0024] It can be seen that the cutting survival rate is relatively high in May and June, which can be used as the recommended cutting time. The higher survival rate of transplanting in October can be used as the recommended transplanting time.

[0025] Conclusion: At present, the best plan for cutting propagation of Nanchuan wood pineapple is: choose the original branches for cuttings; the concentration...

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PUM

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Abstract

The invention discloses a cutting propagation method of Artocarpus nanchuanensis and belongs to the technical field of vegetative propagation. The method includes the steps of selection of cutting substrate, selection of cuttings, treatment of cuttings, selection of cuttage time, post-cuttage management, transplanting time selection and the like. The cuttage success rate already reaches 54%. The success in cutting propagation of Artocarpus nanchuanensis solves the problem that seedling demanded sources from plant market are few and meets the market demand for Artocarpus nanchuanensis seedlings. The number of species populations of Artocarpus nanchuanensis is increased, and ex-situ conservation is benefited. Superior character of fine stock plants is maintained by the vegetative propagation of the fine stock plants.

Description

Technical field [0001] The invention belongs to the technical field of plant asexual reproduction, and specifically relates to a cutting propagation method of Nanchuan wood pineapple. Background technique [0002] Nanchuan wood pineapple ( Artocarpus nanchuanensis S. S. Chang S. C. Tan et Z. Y. Liu), is a perennial tall tree of the genus Jackfruit of the Moraceae family. It is not only an endemic species in Chongqing, but also a species of jackfruit that is naturally distributed in the northernmost part of our country. It is one of the rarest endemic plants in our country. The Nanchuan wood pineapple tree is tall and straight with a beautiful posture. It can be planted alone, in rows, and in groups. It can create a good garden landscape and ecological effect, and is suitable for configuration as a walkway, garden, and ecological forest. The plant grows vigorously, grows rapidly, and has a long growth life. It is a very fine and precious native tree species. Especially in low-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00
Inventor 罗宏果幸宏伟覃建美
Owner CHONGQING HUAYU GARDEN
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